R

Ram Sharma • 3.40K Points
Extraordinary

Q. Which collection does not allow duplicate keys?

  • (A) List
  • (B) Set
  • (C) Map
  • (D) ArrayList
  • Correct Answer - Option(C)
  • Views: 3
  • Filed under category Java
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Explanation by: Ram Sharma
`Map` does not allow duplicate keys, only unique ones.

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